* [[Schneider RS232 Interface]] ([[Schneider]])
* [[Dual RS232]] ([[Timatic Systems]])
=== Teletext ===
* Loritel (teletel/modem or so) (Loriciels)
* [[Schneider BTX Modul]]
* [[Teletext adaptor]] by [[Microtext Ltd.]]
* [[Volex TTX 2000a]]
* [[Wiedmann BTX Modul]]
=== Others ===
* [[CPC Booster|CPC Booster/CPC Booster+]]
* [[Virtual Net 96]] ([[Wizcat]])
* [[Teletext adaptor]] by [[Microtext Ltd.]]
* [[Volex TTX 2000a]]
* [[Red Box]] ([[GIS]])